package models

import (
	"github.com/jinzhu/gorm"
	"time"
)

type Tag struct {
	Model

	Name string `json:"name"`
	CreatedBy string `json:"created_by"`
	ModifiedBy string `json:"modified_by"`
	State int `json:"state"`
}

func GetTags(pageNum int , pageSize int , maps interface{})(tags []Tag)  {
	db.Where(maps).Offset(pageNum).Limit(pageSize).Find(&tags)
	return
}

func GetTagTotal(maps interface {}) (count int){
	db.Model(&Tag{}).Where(maps).Count(&count)
	return
}

func ExistTagByName(name string) bool {
	var tag Tag

	db.Select("id").Where("name = ?",name).First(&tag)

	if tag.ID >0 {
		return true
	}
	return false
}

func AddTag(name string,state int , createdBy string) bool {
	db.Create(&Tag{
		Name:name,
		State: state,
		CreatedBy: createdBy,
	})
	return true
}

func (tag *Tag) BeforeCreate(scope *gorm.Scope) error {
	scope.SetColumn("CreatedOn", time.Now().Unix())

	return nil
}

func (tag *Tag) BeforeUpdate(scope *gorm.Scope) error {
	scope.SetColumn("ModifiedOn", time.Now().Unix())

	return nil
}

func ExistTagById(id int) bool {
	var tag Tag
	db.Select("id").Where("id = ?",id).First(&tag)

	if tag.ID > 0  {
		return true
	}

	return false
}

func UpdateTag(id int , data interface{}) bool {
	db.Model(&Tag{}).Where("id = ?",id).Update(data)
	return true;
}

func DeleteTag(id int) bool {
	db.Where("id = ?",id).Delete(&Tag{})

	return true
}